Hershey and Chase used bacteriophage with radioactive labels to determine genetic material is made up of

In the Hershey and Chase experiment they used radioactive phosphorus to trace the _?_ and radioactive sulfur to trace the _?_.

A microorganism's ability to cause disease is known as its

What is the name of the process that was involved in changing Griffith’s R bacteria into S bacteria?

A base that forms bonds with Cytosine is

Two strands of nucleotides winding around each other like a twisted ladder is known as a

DNA consists of a 5 carbon sugar called

What two alternating molecules make up the backbone of the DNA strand?

A DNA nucleotide does not include a

Choose the complementary strand to the DNA strand below:

C G A T G G A T T C

When DNA makes an extra copy of itself, this is known as

Proteins are made up of _?_.

Each set of three bases representing an amino acid on a mRNA molecule known as_?_.

Fill in the complementary sequence that RNA would code off of this DNA sequence

A T C G T T C A T A A G C A T

RNA does not contain the nitrogen base Thymine like DNA. In place of thymine, RNA contains __?__?

Which of the following is not a difference between DNA and RNA?

During transcription, the enzyme helicase is responsible for…

During transcription, the enzyme polymerase is responsible for…

The portion of DNA where the double helix separates during transcription is known as _?_.

which of the following mRNA sequences codes for Valine (Val), Glutamic acid (Glu), and serine (Ser)

The mRNA sequence ACU codes for the amino acid Thr. A mutation occurs, and the resulting mRNA sequence is AUU. What amino acid will replace Thr?

Persons A and B have similar mRNA sequences with the exception of 1 nucleotide.

Person A: AUGGUUACUAAGGGCUGA

Person B: AUGGUUACUGAGGGCUGA

Use the genetic code chart to determine how this difference affects the sequence of amino acids in the resulting protein.

Figure 12–2 shows the structure of

Which of the following is a nucleotide found in DNA?

The table in Figure 12–3 shows the results of measuring the percentages of the four bases in the DNA of several different organisms. Some of the values are missing from the table. Based on Chargaff’s rule, the percentages of guanine bases in chicken DNA should be around

Which scientist(s) figured out that the shape of a DNA molecule is a double helix?

What would happen to the percentage of G in Figure 12–4 if the percentage of A rose to 25%?

DNA replication results in two DNA molecules,

During DNA replication, a DNA strand that has the bases CTAGGT produces a strand with the bases

What enzyme works to add DNA to ends of chromosomes in rapidly dividing cells such as those found in an embryo, to prevent genes from being lost during replication?

In Figure 12–5, what nucleotide is going to be added at point 1, opposite from thymine?

In eukaryotes (Animal cell), DNA

In both prokaryotes and eukaryotes, how many copies of the chromosome are left after replication?

In both prokaryotes and eukaryotes, DNA replication happens

RNA contains the sugar

Which of the following are found in both DNA and RNA?

Which nucleotide in Figure 13–1 indicates the nucleic acid above is RNA?

Which of the following is true of transcription?

Which molecules are involved in protein synthesis?

During eukaryotic transcription, an RNA molecule is formed that is

How many nucleotides are needed to specify three amino acids?

When Griffith mixed heat-killed, harmful bacteria with live, harmless bacteria and injected the mixture into mice, the mice died.

Bacteriophages inject protein into bacteria, altering the bacteria’s genetic information.

Watson and Crick discovered that covalent bonds hold base pairs together at the center of a strand of DNA. _________________________

In Figure 12–4, the percentages of all four columns should add up to 90.

In Figure 12–5, what nucleotide is going to be added at point 1, opposite from thymine?

In which step of the cell cycle does DNA replication occur?